def __init__(self, run_driver_name: str = None):
"""
Create an instance.
:param run_driver_name: name of the used run driver, if None the one configured in the settings is used
"""
self.submit_queue = Queue() # type: Queue
""" Queue for submitted but not benchmarked run program blocks """
self.result_queue = Queue() # type: Queue
"""
Queue of benchmarking results.
The queue items are tuples consisting of
the benchmarked block, the benchmarking result and the
blocks id.
"""
self.parallel_number = 1 # type: int
""" Number of instances in which the benchmarks takes place in parallel """
run_driver_name = run_driver_name or RunDriverRegistry.get_used()
self.run_driver = RunDriverRegistry().get_for_name(run_driver_name) # type: AbstractRunDriver
""" Used run driver instance """
self.cpuset = None # type: CPUSet
""" Used cpu set instance """
if Settings()["run/disable_hyper_threading"]:
if not has_root_privileges():
logging.warning("Can't disable hyper threading as root privileges are missing")
return
#if Settings()["run/cpuset/active"]:
# logging.warning("Currently disabling hyper threading doesn't work well in combination with cpusets")
# return
self._disable_hyper_threading()
def __init__(self, misc_settings: dict = None):
"""
Creates an instance.
Also calls the setup methods on all registered plugins.
It calls the setup() method.
:param misc_settings: further settings
"""
self.misc_settings = misc_settings
""" Further settings """
self.used_plugins = [] # type: t.List[RunDriverPlugin]
""" Used and active plugins """
miss_root_plugins = []
is_root = has_root_privileges()
for used in self.get_used():
klass = self.get_class(used)
if klass.needs_root_privileges and not is_root:
miss_root_plugins.append(used)
else:
self.used_plugins.append(self.get_for_name(used))
if miss_root_plugins:
logging.warning(
"The following plugins are disabled because they need root privileges: "
+ join_strs(miss_root_plugins))
self.setup()
def __init__(self, run_driver_name: str = None, end_time: float = -1):
"""
Create an instance.
:param run_driver_name: name of the used run driver, if None the one configured in the settings is used
"""
self.submit_queue = Queue() # type: Queue
""" Queue for submitted but not benchmarked run program blocks """
self.result_queue = Queue() # type: Queue
"""
Queue of benchmarking results.
The queue items are tuples consisting of
the benchmarked block, the benchmarking result and the
blocks id.
"""
self.parallel_number = 1 # type: int
""" Number of instances in which the benchmarks takes place in parallel """
run_driver_name = run_driver_name or RunDriverRegistry.get_used()
self.run_driver = RunDriverRegistry().get_for_name(
run_driver_name) # type: AbstractRunDriver
""" Used run driver instance """
self.cpuset = None # type: CPUSet
""" Used cpu set instance """
self.end_time = end_time
self._disabled_ht_cores = [] # type: t.List[int]
if Settings()["run/disable_hyper_threading"]:
if not has_root_privileges():
logging.warning(
"Can't disable hyper threading as root privileges are missing"
)
return
#if Settings()["run/cpuset/active"]:
# logging.warning("Currently disabling hyper threading doesn't work well in combination with cpusets")
# return
self._disabled_ht_cores = self.disable_hyper_threading()
def _exec_command(self,
cmds: list,
block: RunProgramBlock,
cpuset: CPUSet = None,
set_id: int = 0) -> ExecResult:
"""
Executes one randomly chosen command of the passed ones.
And takes additional settings in the passed run program block into account.
:param cmds: list of commands
:param block: passed run program block
:return: time in seconds the execution needed to finish
"""
typecheck(cmds, List(Str()))
rand_index = random.randrange(
0, len(cmds)) if self.misc_settings["random_cmd"] else 0
cmd = cmds[rand_index]
cwd = block["cwds"][rand_index]
executed_cmd = block["cmd_prefix"] + [cmd]
if cpuset is not None and has_root_privileges():
executed_cmd.insert(0, "cset proc --move --force --pid $$ {} > /dev/null" \
.format(cpuset.get_sub_set(set_id)))
env = os.environ.copy()
env.update(block["env"])
env.update({'LC_NUMERIC': 'en_US.UTF-8'})
# print(env["PATH"])
t = time.time()
executed_cmd = "; ".join(executed_cmd)
proc = None
try:
proc = subprocess.Popen(
["/bin/sh", "-c", executed_cmd],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
cwd=cwd,
env=env,
)
# preexec_fn=os.setsid)
out, err = proc.communicate()
t = time.time() - t
ExecValidator(block["validator"]).validate(cmd, out, err,
proc.poll())
# if proc.poll() > 0:
# msg = "Error executing " + cmd + ": "+ str(err) + " " + str(out)
# logging.error(msg)
# raise BenchmarkingError(msg)
return self.ExecResult(time=t, stderr=str(err), stdout=str(out))
except:
if proc is not None:
try:
proc.terminate()
# os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
except BaseException as err:
pass
raise
def _exec_command(self, cmds: list, block: RunProgramBlock,
cpuset: CPUSet = None, set_id: int = 0) -> ExecResult:
"""
Executes one randomly chosen command of the passed ones.
And takes additional settings in the passed run program block into account.
:param cmds: list of commands
:param block: passed run program block
:return: time in seconds the execution needed to finish
"""
typecheck(cmds, List(Str()))
rand_index = random.randrange(0, len(cmds)) if self.misc_settings["random_cmd"] else 0
cmd = cmds[rand_index]
cwd = block["cwds"][rand_index]
executed_cmd = block["cmd_prefix"] + [cmd]
if cpuset is not None and has_root_privileges():
executed_cmd.insert(0, "cset proc --move --force --pid $$ {} > /dev/null" \
.format(cpuset.get_sub_set(set_id)))
env = os.environ.copy()
env.update(block["env"])
env.update({'LC_NUMERIC': 'en_US.UTF-8'})
# print(env["PATH"])
t = time.time()
executed_cmd = "; ".join(executed_cmd)
proc = None
try:
proc = subprocess.Popen(["/bin/sh", "-c", executed_cmd], stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
cwd=cwd,
env=env, )
# preexec_fn=os.setsid)
out, err = proc.communicate()
t = time.time() - t
ExecValidator(block["validator"]).validate(cmd, out, err, proc.poll())
# if proc.poll() > 0:
# msg = "Error executing " + cmd + ": "+ str(err) + " " + str(out)
# logging.error(msg)
# raise BenchmarkingError(msg)
return self.ExecResult(time=t, stderr=str(err), stdout=str(out))
except:
if proc is not None:
try:
proc.terminate()
# os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
except BaseException as err:
pass
raise
def run():
sudo_opt_index = sys.argv.index(
"--sudo") if "--sudo" in sys.argv else sys.maxsize
raw_opt_index = sys.argv.index("--") if "--" in sys.argv else sys.maxsize
has_sudo_opt = sudo_opt_index != sys.maxsize and sudo_opt_index < raw_opt_index
if not has_sudo_opt or has_root_privileges():
from temci.scripts.cli import cli_with_error_catching
cli_with_error_catching()
else:
if has_sudo_opt:
sys.argv.remove("--sudo")
import json, shlex
cmd = "sudo TEMCI_ENV={} {}".format(
shlex.quote(json.dumps({k: os.environ[k]
for k in os.environ})),
" ".join(shlex.quote(arg) for arg in sys.argv))
os.system(cmd)
def __init__(self, misc_settings: dict = None):
"""
Creates an instance.
Also calls the setup methods on all registered plugins.
It calls the setup() method.
:param misc_settings: further settings
"""
self.misc_settings = misc_settings
""" Further settings """
self.used_plugins = [] # type: t.List[RunDriverPlugin]
""" Used and active plugins """
miss_root_plugins = []
is_root = has_root_privileges()
for used in self.get_used():
klass = self.get_class(used)
if klass.needs_root_privileges and not is_root:
miss_root_plugins.append(used)
else:
self.used_plugins.append(self.get_for_name(used))
if miss_root_plugins:
logging.warning("The following plugins are disabled because they need root privileges: " +
join_strs(miss_root_plugins))
self.setup()
def _execute(self, db: Database):
if not has_root_privileges():
self._fail("Root privileges are missing")
def _dry_run_message(self) -> str:
return "Would check for root privileges (and {})".format("succeed" if has_root_privileges() else "fail")
def enable_hyper_threading(cls, disabled_cores: t.List[int]):
if has_root_privileges():
cls._set_status_of_ht_cores(disabled_cores, 1)
def disable_hyper_threading(cls) -> t.List[int]:
if has_root_privileges():
cores = cls.get_hyper_threading_cores()
cls._set_status_of_ht_cores(cores, 0)
return cores
return []
def _execute(self, db: Database):
if not has_root_privileges():
self._fail("Root privileges are missing")
def _dry_run_message(self) -> str:
return "Would check for root privileges (and {})".format(
"succeed" if has_root_privileges() else "fail")
def __init__(self,
active: bool = True,
base_core_number: int = None,
parallel: int = None,
sub_core_number: int = None,
temci_in_base_set: bool = True):
"""
Initializes the cpu sets an determines the number of parallel programs (parallel_number variable).
:param active: are cpu sets actually used?
:param base_core_number: number of cpu cores for the base (remaining part of the) system
:param parallel: 0: benchmark sequential, > 0: benchmark parallel with n instances, -1: determine n automatically
:param sub_core_number: number of cpu cores per parallel running program
:param temci_in_base_set: place temci in the same cpu set as the rest of the system?
:raises ValueError: if the passed parameters don't work together on the current platform
:raises EnvironmentError: if the environment can't be setup properly (e.g. no root privileges)
"""
# self.bench_set = "bench.set"
self.active = active and has_root_privileges() # type: bool
""" Are cpu sets actually used? """
self.base_core_number = Settings().default(
base_core_number, "run/cpuset/base_core_number") # type: int
""" Number of cpu cores for the base (remaining part of the) system """
self.parallel = Settings().default(parallel,
"run/cpuset/parallel") # type: int
""" 0: benchmark sequential, > 0: benchmark parallel with n instances, -1: determine n automatically """
self.sub_core_number = Settings().default(
sub_core_number, "run/cpuset/sub_core_number") # type: int
""" Number of cpu cores per parallel running program """
self.av_cores = len(self._cpus_of_set(
"")) if active else multiprocessing.cpu_count() # type: int
""" Number of available cpu cores """
self.parallel_number = 0 # type: int
""" Number of used parallel instances, zero if the benchmarking is done sequentially """
self.temci_in_base_set = Settings().default(
temci_in_base_set, "run/cpuset/temci_in_base_set")
""" Place temci in the same cpu set as the rest of the system? """
if self.parallel != 0:
if self.parallel == -1:
self.parallel_number = self._number_of_parallel_sets(
self.base_core_number, True, self.sub_core_number)
else:
self.parallel_number = self.parallel
if self.parallel > self._number_of_parallel_sets(self.base_core_number, True, self.sub_core_number) \
and self.active:
raise ValueError(
"Invalid values for base_core_number and sub_core_number "
"on system with just {} cores. Note: The benchmark controller "
"needs a cpuset too.".format(self.av_cores))
self.base_core_number = self.av_cores - self.sub_core_number * self.parallel_number - 1
if not self.active:
if active and not has_root_privileges():
logging.warning(
"CPUSet functionality is disabled because root privileges are missing."
)
return
logging.info("Initialize CPUSet")
typecheck(self.base_core_number, PositiveInt())
typecheck(self.parallel_number, NaturalNumber())
self.own_sets = [SUB_BENCH_SET.format(i) for i in range(0, self.parallel_number)] \
+ [CONTROLLER_SUB_BENCH_SET, NEW_ROOT_SET, BENCH_SET]
try:
self._init_cpuset()
except BaseException:
logging.error("Forced teardown of CPUSet")
self.teardown()
raise
logging.info("Finished initializing CPUSet")
def __init__(
self,
active: bool = has_root_privileges(),
base_core_number: int = None,
parallel: int = None,
sub_core_number: int = None,
):
"""
Initializes the cpu sets an determines the number of parallel programs (parallel_number variable).
:param active: are cpu sets actually used?
:param base_core_number: number of cpu cores for the base (remaining part of the) system
:param parallel: 0: benchmark sequential, > 0: benchmark parallel with n instances, -1: determine n automatically
:param sub_core_number: number of cpu cores per parallel running program
:raises ValueError: if the passed parameters don't work together on the current platform
:raises EnvironmentError: if the environment can't be setup properly (e.g. no root privileges)
"""
# self.bench_set = "bench.set"
self.active = active and has_root_privileges() # type: bool
""" Are cpu sets actually used? """
self.base_core_number = Settings().default(base_core_number, "run/cpuset/base_core_number") # type: int
""" Number of cpu cores for the base (remaining part of the) system """
self.parallel = Settings().default(parallel, "run/cpuset/parallel") # type: int
""" 0: benchmark sequential, > 0: benchmark parallel with n instances, -1: determine n automatically """
self.sub_core_number = Settings().default(sub_core_number, "run/cpuset/sub_core_number") # type: int
""" Number of cpu cores per parallel running program """
self.av_cores = len(self._cpus_of_set("")) if active else multiprocessing.cpu_count() # zype: int
""" Number of available cpu cores """
self.parallel_number = 0 # type: int
""" Number of used parallel instances, zero if the benchmarking is done sequentially """
if self.parallel != 0:
if self.parallel == -1:
self.parallel_number = self._number_of_parallel_sets(self.base_core_number, True, self.sub_core_number)
else:
self.parallel_number = self.parallel
if (
self.parallel > self._number_of_parallel_sets(self.base_core_number, True, self.sub_core_number)
and self.active
):
raise ValueError(
"Invalid values for base_core_number and sub_core_number "
"on system with just {} cores. Note: The benchmark controller "
"needs a cpuset too.".format(self.av_cores)
)
self.base_core_number = self.av_cores - self.sub_core_number * self.parallel_number - 1
if not active:
if not has_root_privileges():
logging.warning("CPUSet functionality is disabled because root privileges are missing.")
return
logging.info("Initialize CPUSet")
typecheck(self.base_core_number, PositiveInt())
typecheck(self.parallel_number, NaturalNumber())
self.own_sets = [SUB_BENCH_SET.format(i) for i in range(0, self.parallel_number)] + [
CONTROLLER_SUB_BENCH_SET,
NEW_ROOT_SET,
BENCH_SET,
]
try:
self._init_cpuset()
except BaseException:
logging.error("Forced teardown of CPUSet")
self.teardown()
raise
logging.info("Finished initializing CPUSet")
def enable_hyper_threading(cls):
if has_root_privileges():
cls._set_status_of_ht_cores(cls.get_hyper_threading_cores(), 1)
